subtitleoverlay: add suport for hardware accelerated videos

Don't plug converters for non-raw video.
This commit is contained in:
Thibault Saunier 2011-11-23 15:43:46 -03:00 committed by Tim-Philipp Müller
parent 7d20a7bdb9
commit 8728023f00

View file

@ -193,11 +193,12 @@ _is_raw_video (GstStructure * s)
}
static gboolean
_is_raw_video_pad (GstPad * pad)
_is_video_pad (GstPad * pad, gboolean * hw_accelerated)
{
GstPad *peer = gst_pad_get_peer (pad);
GstCaps *caps;
gboolean raw = TRUE;
gboolean ret;
const gchar *name;
if (peer) {
caps = gst_pad_get_negotiated_caps (peer);
@ -209,11 +210,27 @@ _is_raw_video_pad (GstPad * pad)
caps = gst_pad_get_caps_reffed (pad);
}
raw = _is_raw_video (gst_caps_get_structure (caps, 0));
name = gst_structure_get_name (gst_caps_get_structure (caps, 0));
if (g_str_has_prefix (name, "video/x-raw-")) {
ret = TRUE;
if (hw_accelerated)
*hw_accelerated = FALSE;
} else if (g_str_has_prefix (name, "video/x-surface")) {
ret = TRUE;
if (hw_accelerated)
*hw_accelerated = TRUE;
} else {
ret = FALSE;
if (hw_accelerated)
*hw_accelerated = FALSE;
}
gst_caps_unref (caps);
return raw;
return ret;
}
static GstCaps *
@ -853,7 +870,7 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
for (l = factories; l; l = l->next) {
GstElementFactory *factory = l->data;
gboolean is_renderer = _is_renderer (factory);
gboolean is_video, is_hw, is_renderer = _is_renderer (factory);
GstElement *element;
GstPad *sink, *src;
@ -884,6 +901,7 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
element = is_renderer ? self->renderer : self->parser;
is_video = _is_video_pad (self->video_sinkpad, &is_hw);
/* If this is a parser, create textoverlay and link video and the parser to it
* Else link the renderer to the output colorspace */
if (!is_renderer) {
@ -961,84 +979,113 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
gst_object_unref (sink);
gst_object_unref (src);
if (G_UNLIKELY (!_create_element (self, &self->post_colorspace,
COLORSPACE, NULL, "post-colorspace", FALSE))) {
continue;
}
/* If we are working with video/x-surface, we do not add
* colorspace conversion elements */
if (is_video && !is_hw) {
if (G_UNLIKELY (!_create_element (self, &self->post_colorspace,
COLORSPACE, NULL, "post-colorspace", FALSE))) {
continue;
}
src = gst_element_get_static_pad (overlay, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from overlay");
continue;
}
src = gst_element_get_static_pad (overlay, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from overlay");
continue;
}
sink = gst_element_get_static_pad (self->post_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
gst_object_unref (src);
continue;
}
sink = gst_element_get_static_pad (self->post_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
gst_object_unref (src);
continue;
}
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link overlay with " COLORSPACE);
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link overlay with " COLORSPACE);
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
if (G_UNLIKELY (!_create_element (self, &self->pre_colorspace,
COLORSPACE, NULL, "pre-colorspace", FALSE))) {
continue;
}
if (G_UNLIKELY (!_create_element (self, &self->pre_colorspace,
"identity", NULL, "pre-colorspace", FALSE))) {
continue;
}
sink = gst_element_get_static_pad (overlay, "video_sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get video sink from textoverlay");
continue;
}
sink = gst_element_get_static_pad (overlay, "video_sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get video sink from textoverlay");
continue;
}
src = gst_element_get_static_pad (self->pre_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get srcpad from " COLORSPACE);
gst_object_unref (sink);
continue;
}
src = gst_element_get_static_pad (self->pre_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get srcpad from " COLORSPACE);
gst_object_unref (sink);
continue;
}
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link " COLORSPACE " to textoverlay");
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link " COLORSPACE " to textoverlay");
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
/* Set src ghostpad target */
src = gst_element_get_static_pad (self->post_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from " COLORSPACE);
continue;
}
/* Set src ghostpad target */
src = gst_element_get_static_pad (self->post_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from " COLORSPACE);
continue;
}
if (G_UNLIKELY (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST
(self->srcpad), src))) {
GST_WARNING_OBJECT (self, "Can't set srcpad target");
if (G_UNLIKELY (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST
(self->srcpad), src))) {
GST_WARNING_OBJECT (self, "Can't set srcpad target");
gst_object_unref (src);
continue;
}
gst_object_unref (src);
} else if (is_hw) {
GST_DEBUG_OBJECT (self,
"Is Hardware, not adding colorspace converters, ");
/* Set src ghostpad target */
src = gst_element_get_static_pad (self->overlay, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from textoverlay");
continue;
}
if (G_UNLIKELY (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST
(self->srcpad), src))) {
GST_WARNING_OBJECT (self, "Can't set srcpad target");
gst_object_unref (src);
continue;
}
gst_object_unref (src);
continue;
}
gst_object_unref (src);
/* Send segments to the parser/overlay if necessary. These are not sent
* outside this element because of the proxy pad event function */
if (self->video_segment.format != GST_FORMAT_UNDEFINED) {
GstEvent *event1, *event2;
sink = gst_element_get_static_pad (self->pre_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
continue;
if (is_video) {
sink = gst_element_get_static_pad (self->pre_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
continue;
}
} else {
sink = gst_element_get_static_pad (self->overlay, "video_sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from textoverlay");
continue;
}
}
_generate_update_newsegment_event (&self->video_segment, &event1,
@ -1079,10 +1126,19 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
}
/* Set the sink ghostpad targets */
sink = gst_element_get_static_pad (self->pre_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
continue;
if (is_video && !is_hw) {
sink = gst_element_get_static_pad (self->pre_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
continue;
}
} else if (is_video && is_hw) {
GST_DEBUG_OBJECT (self, "Setting ghostpad to overlay video sink");
sink = gst_element_get_static_pad (self->overlay, "video_sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from overlay");
continue;
}
}
if (G_UNLIKELY (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST
@ -1110,7 +1166,6 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
} else {
const gchar *name =
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE_CAST (factory));
gboolean is_raw_video = _is_raw_video_pad (self->video_sinkpad);
if (strcmp (name, "textoverlay") == 0) {
/* Set some textoverlay specific properties */
@ -1130,82 +1185,96 @@ _pad_blocked_cb (GstPad * pad, gboolean blocked, gpointer user_data)
g_object_set (self->renderer, "font-desc", self->font_desc, NULL);
}
if (is_raw_video) {
/* First check that renderer also supports raw video */
if (is_video) {
gboolean render_is_hw;
/* First check that renderer also supports the video format */
sink = _get_video_pad (element);
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get video sink from renderer");
continue;
}
if (G_UNLIKELY (!_is_raw_video_pad (sink))) {
GST_DEBUG_OBJECT (self, "Renderer doesn't support raw video");
if (is_video != _is_video_pad (sink, &render_is_hw) ||
is_hw != render_is_hw) {
GST_DEBUG_OBJECT (self, "Renderer doesn't support %s video",
is_hw ? "surface" : "raw");
gst_object_unref (sink);
continue;
}
gst_object_unref (sink);
/* First link everything internally */
if (G_UNLIKELY (!_create_element (self, &self->post_colorspace,
COLORSPACE, NULL, "post-colorspace", FALSE))) {
continue;
}
src = gst_element_get_static_pad (element, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from renderer");
continue;
}
if (!is_hw) {
/* First link everything internally */
if (G_UNLIKELY (!_create_element (self, &self->post_colorspace,
COLORSPACE, NULL, "post-colorspace", FALSE))) {
continue;
}
src = gst_element_get_static_pad (element, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from renderer");
continue;
}
sink = gst_element_get_static_pad (self->post_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
gst_object_unref (src);
continue;
}
sink = gst_element_get_static_pad (self->post_colorspace, "sink");
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get sink pad from " COLORSPACE);
gst_object_unref (src);
continue;
}
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link renderer with " COLORSPACE);
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link renderer with " COLORSPACE);
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
if (G_UNLIKELY (!_create_element (self, &self->pre_colorspace,
COLORSPACE, NULL, "pre-colorspace", FALSE))) {
continue;
}
if (G_UNLIKELY (!_create_element (self, &self->pre_colorspace,
COLORSPACE, NULL, "pre-colorspace", FALSE))) {
continue;
}
sink = _get_video_pad (element);
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get video sink from renderer");
continue;
}
sink = _get_video_pad (element);
if (G_UNLIKELY (!sink)) {
GST_WARNING_OBJECT (self, "Can't get video sink from renderer");
continue;
}
src = gst_element_get_static_pad (self->pre_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get srcpad from " COLORSPACE);
gst_object_unref (sink);
continue;
}
src = gst_element_get_static_pad (self->pre_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get srcpad from " COLORSPACE);
gst_object_unref (sink);
continue;
}
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link " COLORSPACE " to renderer");
if (G_UNLIKELY (gst_pad_link (src, sink) != GST_PAD_LINK_OK)) {
GST_WARNING_OBJECT (self, "Can't link " COLORSPACE " to renderer");
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
continue;
}
gst_object_unref (src);
gst_object_unref (sink);
/* Set src ghostpad target */
src = gst_element_get_static_pad (self->post_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from " COLORSPACE);
continue;
/* Set src ghostpad target */
src = gst_element_get_static_pad (self->post_colorspace, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from " COLORSPACE);
continue;
}
} else {
/* Set src ghostpad target in the harware accelerated case */
src = gst_element_get_static_pad (self->renderer, "src");
if (G_UNLIKELY (!src)) {
GST_WARNING_OBJECT (self, "Can't get src pad from renderer");
continue;
}
}
} else { /* No raw video pad */
} else { /* No video pad */
GstCaps *allowed_caps, *video_caps = NULL;
GstPad *video_peer;
gboolean can_intersect = FALSE;